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| n | a(n) |
|---|---|
| 1 | 48 |
| 2 | 428 |
| 3 | 2144 |
| 4 | 9504 |
| 5 | 29100 |
| 6 | 76856 |
| 7 | 178644 |
| 8 | 374540 |
| 9 | 723300 |
| 10 | 1314744 |
| 11 | 2258528 |
| 12 | 3717444 |
| 13 | 5893024 |
| 14 | 9039940 |
| 15 | 13477788 |
| 16 | 19618656 |
| 17 | 27921268 |
| 18 | 38978528 |
| 19 | 53474096 |
| 20 | 72214004 |
| 21 | 96133160 |
| 22 | 126348344 |
| 23 | 164077052 |
| 24 | 210790324 |
| 25 | 268108160 |
| 26 | 337868944 |
[48,428,2144,9504,29100,76856,178644,374540, 723300,1314744,2258528,3717444,5893024,9039940, 13477788,19618656,27921268,38978528,53474096, 72214004,96133160,126348344,164077052,210790324, 268108160,337868944] |